Luminance Efficiency Enhancement in Organic Light-Emitting Devices Utilizing 4,7-Diphenyl-1,10-phenanthroline/aluminum tris(8-hydroxyquinoline) Multiple Heterostructures Acting as an Electron Transport Layer

D. C. Choo H. S. Bang T. W. Kim Y. Y. Jin J. H. Seo  Y. K. Kim

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Luminance Efficiency Enhancement in Organic Light-Emitting Devices Utilizing 4,7-Diphenyl-1,10-phenanthroline/aluminum tris(8-hydroxyquinoline) Multiple Heterostructures Acting as an Electron Transport Layer

机译：利用4,7-二苯基-1,10-菲咯啉/铝三（8-羟基喹啉）多种异质结构作为电子传输层的有机发光器件的发光效率增强

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The electrical and optical properties of organic light-emitting devices (OLEDs) with three periods of 4,7-diphenyl-1,10-phenanthroline (BPhen)/aluminum tris(8-hydroxyquinolate) (Alq₃) multiple heterostructures acting as an electron transport layer (ETL) were investigated. While the leakage current of OLEDs with multiple heterostructures was smaller than that of OLEDs without multiple heterostructures, the luminance efficiency was larger than that of OLEDs without multiple heterostructures. The BPhen layers in the multiple heterostructures blocked holes from the emitting layer (EML) to the ETL, and they enhanced the electron injection from the cathode to the EML, resulting in an increase in the luminance efficiency.

机译：具有三个周期的4,7-二苯基-1,10-菲咯啉（BPhen）/三（8-羟基喹啉）铝（Alq _{3 ）的有机发光器件（OLED）的电学和光学性质）研究了充当电子传输层（ETL）的多个异质结构。尽管具有多个异质结构的OLED的泄漏电流小于没有多个异质结构的OLED的泄漏电流，但其发光效率却比没有多个异质结构的OLED的更大。多个异质结构中的BPhen层阻挡了从发射层（EML）到ETL的空穴，它们增强了从阴极到EML的电子注入，从而提高了发光效率。}

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《Molecular Crystals and Liquid Crystals》 |2011年第1期|p.40-46|共7页
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D. C. Choo H. S. Bang T. W. Kim Y. Y. Jin J. H. Seo Y. K. Kim;
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Department of Electronics and Computer Engineering, Hanyang University, Seoul, 133-791, Korea b Department of Information Display Engineering, Center for Organic Materials & Information Display (COMID), Hong-ik University, Seoul, 1;

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机译：三（8-羟基喹啉）铝/ 4,7-二苯基-1,10-菲咯啉多异结构作为电子传输层的绿色有机发光器件的发光机理
2. Luminance Efficiency Enhancement in Organic Light-Emitting Devices Utilizing 4,7-Diphenyl-l,10-phenanthroline/aluminum tris(8-hydroxyquinoline) Multiple Heterostructures Acting as an Electron Transport Layer [J] . D. C. CHOO, H. S. BANG, T. W. KIM Molecular crystals and liquid crystals . 2011,第551期

机译：利用4,7-二苯基-1,10-菲咯啉/铝三（8-羟基喹啉）多种异质结构作为电子传输层的有机发光器件的发光效率增强
3. Origin of the luminance efficiency enhancement in organic light-emitting devices fabricated utilizing a co-host electron transport layer consisting of a 4,7-diphenyl-1,10-phenanthroline and an aluminum tris(8-hydroxyquinoline) [J] . Dong Chul Choo, Tae Whan Kim, Su Yul Seo, Thin Solid Films . 2009,第17期

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Luminance Efficiency Enhancement in Organic Light-Emitting Devices Utilizing 4,7-Diphenyl-1,10-phenanthroline/aluminum tris(8-hydroxyquinoline) Multiple Heterostructures Acting as an Electron Transport Layer

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